Customer Oriented R&D
Breakthrough
1. Power-Up Boot Fail Trouble Shooting
Replace Power board
N
Y
Check Micom Redownload or
replace
Check P500 All Voltage Level
(17V, 5V, 3.3V, 5V_ST)
Check Power connector
Y
Check Voltage Level 3.3V at L514
N
Replace one of IC504IC500/ L502 /
L514 & Recheck
Y
N
Check Voltage Level 2.5V at L504
N
Replace one of IC502/L504
& Recheck
N
Y
Check Voltage Level 1.8V
at L503
N
Replace one of IC501/L503
& Recheck
N
Y
Check Voltage Level 1.2V at L510
N
Replace one of IC503/L510
& Recheck
N
Y
Check X200 Clock 54MHz
N
Replace X200
Y
Check signal transition
at IC500 #9 pin
N
Maybe BCM3556 has troubles
Replace IC500 Flash Memory
Y
Check All Voltage Level
at Bead
N
Replace one of Bead
& Recheck
Y
Summary of Contents for 50PK550
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Page 38: ...Customer Oriented R D Breakthrough GPIO Structure ...
Page 39: ...Customer Oriented R D Breakthrough GPIO Structure ...
Page 40: ...Customer Oriented R D Breakthrough GPIO Structure ...
Page 46: ...Customer Oriented R D Breakthrough No OSD Trouble Shooting Module Power Sequence ...